
Leslie Winkle is the FIFTH girl
I've ever had sex with.
The Big Bang Theory Season 2, Episode 16

Uh, well, it's not
May the FIFTH...
The Big Bang Theory Season 7, Episode 22

Oh, not just date night.
Our FIFTH anniversary.
The Big Bang Theory Season 8, Episode 24

"The FIFTH annual East Rutherford,
New Jersey, Gay, Lesbian, Bisexual...
The Big Bang Theory Season 2, Episode 18

lt wasn't until the FIFTH grade
that l found out she liked me too,
Breaking Bad Season 4, Episode 8